AirHint found the following cheapest return flights from Charleroi (CRL) to Keflavik (KEF) in May 2026 (see full year).

Return flights

02 May - 10 May	Ryanair
09 May - 14 May	Ryanair
16 May - 24 May	Ryanair
13 May - 24 May	Ryanair
09 May - 17 May	Ryanair
02 May - 06 May	Ryanair
10 May - 17 May	Ryanair
13 May - 17 May	Ryanair
09 May - 16 May	Ryanair
07 May - 26 May	Wizz Air
28 May - 07 Jun	Wizz Air
22 May - 05 Jun	Ryanair
24 May - 05 Jun	Wizz Air

Also check the deals for one-way flights from Charleroi to Keflavik in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Charleroi to Keflavik in May from 182€

Return flights